Abstract: A vibrating diaphragm includes a diaphragm body and a suspension edge. The diaphragm body is made by acrylonitrile butadiene styrene materials. A surface of the diaphragm body is electroplated a layer of nanoscale materials. The suspension edge is made by room temperature vulcanized silicone rubber materials. The suspension edge is molded an outer periphery of the diaphragm body. The vibrating diaphragm can improve the high frequency effect of the speaker.

Abstract: A power saving circuit includes a variable resistor, a switch and a processing module. A power supply unit is connected between the switch and the variable resistor. The processing module is connected between the switch and the variable resistor. The switch connects with the variable resistor. The switch is capable of conducting the power supply unit and the processing module when the variable resistor is be pressed. The processing module is capable of transmitting a working signal to the switch for making the switch continuing conducting the power supply unit and the processing module when the variable resistor is unpressurized after the power is transmitted to the processing module. The processing module is capable of detecting the condition of the voltage of the variable resistor to change the working signal. The switch is capable of breaking the power supply of the processing module if the working signal is off state.

Abstract: A vital signs measurement system includes a plurality of light sources emitting into a subject's skin. A plurality of photo sensors receives lights reflected from the subject's skin and converts the lights to a plurality of signals. A processing module receives the plurality of signals and transforms the plurality of signals to a PPG signal by analyzing a correlation coefficient between every two ones of the plurality of signals. The vital signs measurement system improves the measurement accuracy of the physiological information of the participant by the correlation coefficient.

Abstract: A receptacle connector includes an insulating housing, a plurality of terminals fastened to the insulating housing, a clamping element and two pairs of reinforcing blocks. A middle of a front surface of the insulating housing is recessed inward to form an insertion space. Two opposite sides of the insulating housing define two clamping grooves. The clamping element has a fixing board fastened to the insulating housing. Two opposite sides of the fixing board are bent frontward to form two clamping arms. Tail ends of the two clamping arms are connected with two clamping portions. The two pairs of reinforcing blocks are fastened in top walls and bottom walls of the two clamping grooves, respectively.

Abstract: A waterproof connector includes an upper terminal module, a shielding plate, a lower terminal module, a dielectric element, a shielding shell and an insulating housing. The shielding plate is mounted under the upper terminal module. The lower terminal module is mounted under the shielding plate. The dielectric element is integrally molded outside the upper terminal module, the shielding plate and the lower terminal module. The shielding shell surrounds the dielectric element together with the upper terminal module, the shielding plate and the lower terminal module. The insulating housing is integrally molded outside the shielding shell together with the upper terminal module, the shielding plate, the lower terminal module and the dielectric element. The insulating housing has a rear board. A bottom surface of the rear board is recessed inward to form a receiving space. The rear board opens a guiding hole extending forward to the receiving space.

Abstract: A plug connector includes an insulating housing, and a terminal surrounding the insulating housing. The insulating housing has a fastening portion. Two opposite sides of a top of the fastening portion protrude upward and are arched outward to form two fastening pieces. A fastening slot is formed among a lateral wall, an inner wall and a bottom wall of the terminal. Two portions of a top surface of the lateral wall protrude upward to form two insertion portions. The fastening portion is fastened in the fastening slot. One of the two insertion portions is located between one side of one of the two fastening pieces and one side of the other fastening piece. The other insertion portion is located between the other side of the one of the two fastening pieces and the other side of the other fastening piece.

Abstract: An electrical connector includes a main body mounted to the circuit board, a shielding plate assembly fastened to the main body, and a plurality of conductive terminals mounted to the main body and arranged in two rows. The shielding plate assembly is located between the two rows of the conductive terminals. Each of the conductive terminals has a fastening portion, a contact portion and a soldering portion. A front end of the contact portion has a contact surface. Thicknesses of two opposite sides of the front end of the contact portion are smaller than a thickness of a middle of the front end of the contact portion. The contact surfaces of the contact portions of the conductive terminals are exposed to a top surface and a bottom surface of the main body, respectively.

Abstract: An electrical connector includes an insulating housing, a dielectric body, a plurality of terminals integrally molded to the dielectric body, a shielding plate and a plurality of metal elements. The shielding plate is integrally molded to the dielectric body. The dielectric body together with the terminals and the shielding plate is assembled to a rear end of the insulating housing. The metal elements are mounted to a top surface and a bottom surface of the dielectric body. Each of the metal elements has a base plate, and a touch portion extended from the base plate. The base plates of the metal elements are mounted to the top surface and the bottom surface of the dielectric body, respectively. A tail end of the touch portion contacts the shielding plate. One side of the touch portion contacts one of the grounding terminals.

Abstract: An electrical connector includes an insulating housing, a terminal module, two adhesive films and a shielding shell. The insulating housing defines two rows of terminal grooves. The terminal module assembled to the insulating housing includes a plurality of conductive terminals. Front ends of the conductive terminals project into the terminal grooves. Each of the two adhesive films includes an insulation layer and an adhesive layer. The adhesive layer is disposed to a rear end of an inner surface of the insulation layer. The adhesive layer of one of the two adhesive films is adhered to a top wall of the insulating housing, and the adhesive layer of the other adhesive film is adhered to a bottom wall of the insulating housing. The insulating housing together with the terminal module and the adhesive films are received in a receiving space of the shielding shell.

Abstract: An adapter includes an insulating body, a plurality of electrical terminals which are assembled into the insulting body and a shielding shell. The insulating body has a tongue board at a front thereof, the tongue board defines terminal grooves in a bottom surface thereof, a rear surface of the insulating body defines a rear insertion chamber. Each of the electrical terminals has a holding portion assembled in the insulating body, a first contact portion connected with a front end of the holding portion, a second contact portion connected with a rear end of the holding portion. The first contact portions of the electrical terminals are assembled in the terminal grooves and protrude beyond the bottom surface of the tongue board, the second contact portions of the electrical terminals are located in the rear insertion chamber.

Abstract: A waterproof connector includes an upper terminal module, a shielding plate, a lower terminal module, a dielectric element, a shielding shell and an insulating housing. The shielding plate is mounted under the upper terminal module. The lower terminal module is mounted under the shielding plate. The dielectric element is integrally molded outside the upper terminal module, the shielding plate and the lower terminal module. The shielding shell surrounds the dielectric element together with the upper terminal module, the shielding plate and the lower terminal module. The insulating housing is integrally molded outside the shielding shell together with the upper terminal module, the shielding plate, the lower terminal module and the dielectric element.

Abstract: A physiological function detecting earphone includes an earphone body, an earplug mounted at one side of the earphone body and defining a window, a light processing module including a light sensing module towards the window, and a signal processing module. A detecting method using the earphone by a participant includes the steps of: the participant inserts the earplug in the ear canal thereof; the light sensing module senses the changes of light emitted through the window and then reflected by the wall of the ear canal; the light processing module processes the reflected light changes to get photoplethysmography (PPG) signals; and the signal processing module receives and processes the PPG signals to get physiological information of the participant.

Abstract: A portable cable assembly includes a first connection port, a second connection port, a cable, an absorptive element, a shell and a sleeve. The first connection port has a first base portion and a first mating portion, the first base portion defines a containing groove in an outer surface thereof. The second connection port has a second base portion and a second mating portion. Two ends of the cable are connected with the first base portion and the second base portion. the absorptive element is accommodated in the containing groove. The shell surrounds the first base portion and the absorptive element. The sleeve is capable of sliding to sleeve the first connection port and the second connection port therein, and the sleeve can be absorbed on the shell by the absorptive element.

Abstract: A battery connector includes an insulating body, a plurality of electrical terminals and a plurality of conducting pieces. The insulating body defines a plurality of terminal grooves penetrating through a front and a rear thereof and a plurality of inserting grooves communicating with the respective terminal grooves. The electrical terminals are assembled into the terminal grooves of the insulting body. The conducting pieces are assembled into the inserting grooves of the insulating body and contact with the electrical terminals. When the battery connector electrically connects the battery and the circuit board, part of the current passes through the conducting pieces, therefore heat generated by the electrical terminals is reduced to ensure that the temperature of the battery connector is within the normal range.

Abstract: An electrical connector mounted to a circuit board, includes an insulating housing, a plurality of terminals integrally molded to the insulating housing, a shell surrounding the insulating housing, and an upper cover covered on the circuit board. The shell has at least one lower fastening piece. At least one tongue board of the circuit board is fastened on the at least one lower fastening piece. Circuit lines equipped on a bottom surface of the at least one tongue board are embedded in lower embedding slots of the at least one lower fastening piece. The upper cover has at least one upper fastening piece. The at least one upper fastening piece is fastened on the at least one tongue board. Circuit lines equipped on a top surface of the at least one tongue board are embedded in upper embedding slots of the at least one upper fastening piece.

Abstract: An electrical connector includes an insulating assembly, terminals, an inner shielding assembly and an outer shielding assembly. The insulating assembly has a tongue board at a front. The terminals are insert molded the insulating assembly and are divided into an upper row and a lower row with contacts portions located at a top side and a bottom side of the tongue board. Outmost two of the upper row of terminals and outmost two of the lower row of terminals are grounding terminals, outsides of rears of the contact portions of the grounding terminals form touch portions. The inner shielding assembly includes an upper shielding piece and a lower shielding piece located to a rear of the tongue board. The outer shielding assembly includes a shielding sleeve sleeving and spaced from the tongue board, the shielding sleeve contacts with at least one of the upper shielding piece and the lower shielding piece.

Abstract: A waterproof connector includes an insulating housing, a terminal assembly, a cover, a clamping part and a filler. The insulating housing has an inserting chamber, a mounting slot, a plurality of terminal grooves, an installing slot and a pair of clamping slots. The terminal assembly includes a plurality of terminals and a mounting lump molded outside the terminals. The mounting lump is mounted in the mounting slot of the insulating housing. The terminals are mounted in the terminal grooves of the insulating housing. The cover attaches on the bottom face of the insulating housing and the mounting lump. The clamping part is fixed in the installing slot of the insulating housing and tails of the clamping part project inward into the inserting chamber of the insulating housing. The filler is integratedly filled in the installing slot of the insulating housing. The waterproof connector greatly improves the waterproof effect.